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A spherical "hollow" is inside a sphere of radius, R, and mass, M. The surface of the hollow touches the right side of the large sphere and also passes through it's center. With what gravitational force does the large, hollowed-out sphere attract a smaller sphere of mass, m, if there geometric centers are a distance, d, apart?
a geothermal power plant is supplied with water at a well bottom temperature of 225 degrees c and a pressure of 8 mpa.
The NO molecule has a doubly degenerate electronic ground state and a doubly degenerate excited state at 121.1 cm^-1. Calcuclate the electronic contribution to the molar heat capacity of the molecule up to 500K.
A two-stage rocket moves in space at a constant velocity of+4640 m/s. The two stages are then separated by a small explosivecharge placed between them. Immediately after the explosion thevelocity of the 1230-kg upper stage is +5700 m/s. What is theve..
A dry cell does 7.5. J of work through chemical energy transfer 5 C between terminals of the cell. What is the electric potential between the two terminal.
Two infinite lines ofcharge with equal linear charge densities l(C/m) are placed alongthe x and y axis. Derive an expression for the magnitude ofthe electric field at an arbitrary point (x, y).
A spring of negligible mass stretches 3.00 cm from its relaxed length when a force of 7.50 N is applied. What is the maximum velocity of the wave
A heat engine working between 170.0oC and 400.0oC, takes in 1.639×107 J of heat and delivers 4.200×106 J of work per cycle. What is the maximum possible efficiency of an engine working between these two temperatures
A point source emits 26.0 W of sound isotropically. A small microphone of effective cross-sectional area 0.350 cm2 is located 175 m from the source. estimate the power intercepted by the microphone
what is the speed of a car going v 1.000 mph in si units? notice that you will need to change from miles to meters and
a boy of mass 46.2 kg is initially on a skateboard of mass 2.00 kg moving at a speed of 10.2 ms. the boy falls off the
What is the frequency of the note played by this pipe.
biologists think that some spiders tune strands of their web to give enhanced response at frequencies corresponding to
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